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Title:
IRIS REGION SEGMENTATION METHOD AND DEVICE BASED ON ACTIVE APPEARANCE MODEL
Document Type and Number:
WIPO Patent Application WO/2017/113039
Kind Code:
A1
Abstract:
An iris region segmentation method and device based on an active appearance model. The method comprises: creating an active appearance model consisting of a human eye shape model and a human eye texture model by using a plurality of pre-collected human eye sample images (S101); matching an inputted human eye image on which iris region segmentation will be performed and the pre-created active appearance model, to obtain a plurality of feature points that present a human eye contour in the inputted human eye image (S102); and selecting, from the multiple feature points, feature points used for fitting boundaries in the inputted human eye image to perform fitting, so as to obtain a segmented iris region (S103), wherein phase congruency information is used for both active appearance model creating and active appearance model matching.

Inventors:
WANG, Xiaopeng (B 406, 21st Century Building Liangmaqiao Road 40, Chaoyang District, Beijing 5, 100125, CN)
Application Number:
CN2015/000940
Publication Date:
July 06, 2017
Filing Date:
December 30, 2015
Export Citation:
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Assignee:
WANG, Xiaopeng (B 406, 21st Century Building Liangmaqiao Road 40, Chaoyang District, Beijing 5, 100125, CN)
International Classes:
G06K9/00
Foreign References:
CN104463159A2015-03-25
CN104680128A2015-06-03
CN105184269A2015-12-23
CN105160306A2015-12-16
CN105069428A2015-11-18
CN101539991A2009-09-23
CN1794263A2006-06-28
US9189686B22015-11-17
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD (22/F, Great Eagle Centre 23 Harbour Roa, Wanchai Hong Kong, Kong, CN)
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